[Java] Java 如何解析key为动态的json操作

"panel": {
  "8": {
    "112": 1
  },
  "11": {
    "147": 2
  }
  }

LinkedHashMap<String, String> jsonMap = JSON.parseObject(jsonStr, new TypeReference<LinkedHashMap<String, String>>(){});
for (Map.Entry<String, String> entry : jsonMap.entrySet()) {
  System.out.println(entry.getKey() + ":" + entry.getValue());
}

import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.util.Map.Entry; 
import com.alibaba.fastjson.JSONObject;
import com.zwsd.project.system.user.domain.User;
 
/**
 * 字符串工具类
 * 
 * @author wangchl
 */
public class JsonUtils {
 
  /**
   * 获取参数不为空值
   * 
   * @param  method实体类   text：JSON字符串 
   * @return obj 返回值
   */
  public static <T> Object Analysis(String method, String text) throws   
  ClassNotFoundException {
    Class<?> p = Class.forName(method);
    JSONObject jsonArray = JSONObject.parseObject(text);
 
    try {
      Constructor con = p.getConstructor();
      Object obj = con.newInstance();
      // 获取私有成员变量，并对它进行赋值
      for (Entry<String, Object> entry : jsonArray.entrySet()) {
 
        try {
      //设置Key
          Field newname = p.getDeclaredField(entry.getKey());
          // 取消私有成员变量语言访问检查public void setAccessible(boolean flag)
          newname.setAccessible(true);
      //value值为空不做任何操作
          if (!entry.getValue().equals("")) {
            newname.set(obj, entry.getValue());
          }
        } catch (NoSuchFieldException e) {
          // 解析JSON时实体类中没有Key中的字段时会出现异常，忽略，不做任何处理
        }
      }
      return obj;
      
    } catch (NoSuchMethodException e1) {
      e1.printStackTrace();
    } catch (SecurityException e1) {
      e1.printStackTrace();
    } catch (InstantiationException e1) {
      e1.printStackTrace();
    } catch (IllegalAccessException e1) {
      e1.printStackTrace();
    } catch (IllegalArgumentException e1) {
      e1.printStackTrace();
    } catch (InvocationTargetException e1) {
      e1.printStackTrace();
    }
    return null;
  }
  /**
   * 
   *使用方式
   *
   */
  public static void main(String[] args) {
    try {
      String text = " 
    {"flag":"0","token":"0b4b2ef3fed24c99b10c4fca65a09632"}";
      User user= (User) JsonUtils.Analysis(User.class.getName(), text);
    } catch (ClassNotFoundException e) {
      e.printStackTrace();
    }
  }///
}